#ifndef _ARKCRC_HELPER_H__
#define _ARKCRC_HELPER_H__
#pragma once
#ifndef UINT64_C
#define UINT64_C(x) static_cast<uint64_t>(x##ULL)
#endif

namespace kd
{
	class ArkCRC
	{
	public:
		static uint16_t crc16(const unsigned char* s, size_t l)
		{

			static const uint16_t CRC16_TABLE[256] = { 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
				0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5,
				0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443,
				0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac,
				0xd58d, 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738,
				0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 0xc9cc,
				0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50,
				0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4,
				0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
				0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b,
				0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1,
				0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f,
				0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589,
				0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db,
				0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676,
				0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806,
				0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
				0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa,
				0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 0xef1f, 0xff3e,
				0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1,
				0x1ef0 };

			uint16_t init_val = 0;
			for (size_t j = 0; j < l; ++j)
			{
				unsigned char byte = s[j];
				init_val = (init_val << 8) ^ CRC16_TABLE[((init_val >> 8) ^ (uint16_t)byte) & 0x00FF];
			}

			return init_val;
		}

		static uint32_t crc32(const unsigned char* s, size_t l)
		{
			static const uint32_t CRC32_TABLE[256] = {
				0x00000000,
				0x77073096,
				0xee0e612c,
				0x990951ba,
				0x076dc419,
				0x706af48f,
				0xe963a535,
				0x9e6495a3,
				0x0edb8832,
				0x79dcb8a4,
				0xe0d5e91e,
				0x97d2d988,
				0x09b64c2b,
				0x7eb17cbd,
				0xe7b82d07,
				0x90bf1d91,
				0x1db71064,
				0x6ab020f2,
				0xf3b97148,
				0x84be41de,
				0x1adad47d,
				0x6ddde4eb,
				0xf4d4b551,
				0x83d385c7,
				0x136c9856,
				0x646ba8c0,
				0xfd62f97a,
				0x8a65c9ec,
				0x14015c4f,
				0x63066cd9,
				0xfa0f3d63,
				0x8d080df5,
				0x3b6e20c8,
				0x4c69105e,
				0xd56041e4,
				0xa2677172,
				0x3c03e4d1,
				0x4b04d447,
				0xd20d85fd,
				0xa50ab56b,
				0x35b5a8fa,
				0x42b2986c,
				0xdbbbc9d6,
				0xacbcf940,
				0x32d86ce3,
				0x45df5c75,
				0xdcd60dcf,
				0xabd13d59,
				0x26d930ac,
				0x51de003a,
				0xc8d75180,
				0xbfd06116,
				0x21b4f4b5,
				0x56b3c423,
				0xcfba9599,
				0xb8bda50f,
				0x2802b89e,
				0x5f058808,
				0xc60cd9b2,
				0xb10be924,
				0x2f6f7c87,
				0x58684c11,
				0xc1611dab,
				0xb6662d3d,
				0x76dc4190,
				0x01db7106,
				0x98d220bc,
				0xefd5102a,
				0x71b18589,
				0x06b6b51f,
				0x9fbfe4a5,
				0xe8b8d433,
				0x7807c9a2,
				0x0f00f934,
				0x9609a88e,
				0xe10e9818,
				0x7f6a0dbb,
				0x086d3d2d,
				0x91646c97,
				0xe6635c01,
				0x6b6b51f4,
				0x1c6c6162,
				0x856530d8,
				0xf262004e,
				0x6c0695ed,
				0x1b01a57b,
				0x8208f4c1,
				0xf50fc457,
				0x65b0d9c6,
				0x12b7e950,
				0x8bbeb8ea,
				0xfcb9887c,
				0x62dd1ddf,
				0x15da2d49,
				0x8cd37cf3,
				0xfbd44c65,
				0x4db26158,
				0x3ab551ce,
				0xa3bc0074,
				0xd4bb30e2,
				0x4adfa541,
				0x3dd895d7,
				0xa4d1c46d,
				0xd3d6f4fb,
				0x4369e96a,
				0x346ed9fc,
				0xad678846,
				0xda60b8d0,
				0x44042d73,
				0x33031de5,
				0xaa0a4c5f,
				0xdd0d7cc9,
				0x5005713c,
				0x270241aa,
				0xbe0b1010,
				0xc90c2086,
				0x5768b525,
				0x206f85b3,
				0xb966d409,
				0xce61e49f,
				0x5edef90e,
				0x29d9c998,
				0xb0d09822,
				0xc7d7a8b4,
				0x59b33d17,
				0x2eb40d81,
				0xb7bd5c3b,
				0xc0ba6cad,
				0xedb88320,
				0x9abfb3b6,
				0x03b6e20c,
				0x74b1d29a,
				0xead54739,
				0x9dd277af,
				0x04db2615,
				0x73dc1683,
				0xe3630b12,
				0x94643b84,
				0x0d6d6a3e,
				0x7a6a5aa8,
				0xe40ecf0b,
				0x9309ff9d,
				0x0a00ae27,
				0x7d079eb1,
				0xf00f9344,
				0x8708a3d2,
				0x1e01f268,
				0x6906c2fe,
				0xf762575d,
				0x806567cb,
				0x196c3671,
				0x6e6b06e7,
				0xfed41b76,
				0x89d32be0,
				0x10da7a5a,
				0x67dd4acc,
				0xf9b9df6f,
				0x8ebeeff9,
				0x17b7be43,
				0x60b08ed5,
				0xd6d6a3e8,
				0xa1d1937e,
				0x38d8c2c4,
				0x4fdff252,
				0xd1bb67f1,
				0xa6bc5767,
				0x3fb506dd,
				0x48b2364b,
				0xd80d2bda,
				0xaf0a1b4c,
				0x36034af6,
				0x41047a60,
				0xdf60efc3,
				0xa867df55,
				0x316e8eef,
				0x4669be79,
				0xcb61b38c,
				0xbc66831a,
				0x256fd2a0,
				0x5268e236,
				0xcc0c7795,
				0xbb0b4703,
				0x220216b9,
				0x5505262f,
				0xc5ba3bbe,
				0xb2bd0b28,
				0x2bb45a92,
				0x5cb36a04,
				0xc2d7ffa7,
				0xb5d0cf31,
				0x2cd99e8b,
				0x5bdeae1d,
				0x9b64c2b0,
				0xec63f226,
				0x756aa39c,
				0x026d930a,
				0x9c0906a9,
				0xeb0e363f,
				0x72076785,
				0x05005713,
				0x95bf4a82,
				0xe2b87a14,
				0x7bb12bae,
				0x0cb61b38,
				0x92d28e9b,
				0xe5d5be0d,
				0x7cdcefb7,
				0x0bdbdf21,
				0x86d3d2d4,
				0xf1d4e242,
				0x68ddb3f8,
				0x1fda836e,
				0x81be16cd,
				0xf6b9265b,
				0x6fb077e1,
				0x18b74777,
				0x88085ae6,
				0xff0f6a70,
				0x66063bca,
				0x11010b5c,
				0x8f659eff,
				0xf862ae69,
				0x616bffd3,
				0x166ccf45,
				0xa00ae278,
				0xd70dd2ee,
				0x4e048354,
				0x3903b3c2,
				0xa7672661,
				0xd06016f7,
				0x4969474d,
				0x3e6e77db,
				0xaed16a4a,
				0xd9d65adc,
				0x40df0b66,
				0x37d83bf0,
				0xa9bcae53,
				0xdebb9ec5,
				0x47b2cf7f,
				0x30b5ffe9,
				0xbdbdf21c,
				0xcabac28a,
				0x53b39330,
				0x24b4a3a6,
				0xbad03605,
				0xcdd70693,
				0x54de5729,
				0x23d967bf,
				0xb3667a2e,
				0xc4614ab8,
				0x5d681b02,
				0x2a6f2b94,
				0xb40bbe37,
				0xc30c8ea1,
				0x5a05df1b,
				0x2d02ef8d,
			};

			uint32_t init_val = 0;
			for (size_t j = 0; j < l; ++j)
			{
				unsigned char byte = s[j];
				init_val = CRC32_TABLE[static_cast<unsigned char>(init_val) ^ (uint32_t)byte] ^ (init_val >> 8);
			}

			return init_val;
		}

		static uint64_t crc64(const unsigned char* s, size_t l)
		{
			static const uint64_t CRC64_TABLE[256] = {
				UINT64_C(0x0000000000000000),
				UINT64_C(0x7ad870c830358979),
				UINT64_C(0xf5b0e190606b12f2),
				UINT64_C(0x8f689158505e9b8b),
				UINT64_C(0xc038e5739841b68f),
				UINT64_C(0xbae095bba8743ff6),
				UINT64_C(0x358804e3f82aa47d),
				UINT64_C(0x4f50742bc81f2d04),
				UINT64_C(0xab28ecb46814fe75),
				UINT64_C(0xd1f09c7c5821770c),
				UINT64_C(0x5e980d24087fec87),
				UINT64_C(0x24407dec384a65fe),
				UINT64_C(0x6b1009c7f05548fa),
				UINT64_C(0x11c8790fc060c183),
				UINT64_C(0x9ea0e857903e5a08),
				UINT64_C(0xe478989fa00bd371),
				UINT64_C(0x7d08ff3b88be6f81),
				UINT64_C(0x07d08ff3b88be6f8),
				UINT64_C(0x88b81eabe8d57d73),
				UINT64_C(0xf2606e63d8e0f40a),
				UINT64_C(0xbd301a4810ffd90e),
				UINT64_C(0xc7e86a8020ca5077),
				UINT64_C(0x4880fbd87094cbfc),
				UINT64_C(0x32588b1040a14285),
				UINT64_C(0xd620138fe0aa91f4),
				UINT64_C(0xacf86347d09f188d),
				UINT64_C(0x2390f21f80c18306),
				UINT64_C(0x594882d7b0f40a7f),
				UINT64_C(0x1618f6fc78eb277b),
				UINT64_C(0x6cc0863448deae02),
				UINT64_C(0xe3a8176c18803589),
				UINT64_C(0x997067a428b5bcf0),
				UINT64_C(0xfa11fe77117cdf02),
				UINT64_C(0x80c98ebf2149567b),
				UINT64_C(0x0fa11fe77117cdf0),
				UINT64_C(0x75796f2f41224489),
				UINT64_C(0x3a291b04893d698d),
				UINT64_C(0x40f16bccb908e0f4),
				UINT64_C(0xcf99fa94e9567b7f),
				UINT64_C(0xb5418a5cd963f206),
				UINT64_C(0x513912c379682177),
				UINT64_C(0x2be1620b495da80e),
				UINT64_C(0xa489f35319033385),
				UINT64_C(0xde51839b2936bafc),
				UINT64_C(0x9101f7b0e12997f8),
				UINT64_C(0xebd98778d11c1e81),
				UINT64_C(0x64b116208142850a),
				UINT64_C(0x1e6966e8b1770c73),
				UINT64_C(0x8719014c99c2b083),
				UINT64_C(0xfdc17184a9f739fa),
				UINT64_C(0x72a9e0dcf9a9a271),
				UINT64_C(0x08719014c99c2b08),
				UINT64_C(0x4721e43f0183060c),
				UINT64_C(0x3df994f731b68f75),
				UINT64_C(0xb29105af61e814fe),
				UINT64_C(0xc849756751dd9d87),
				UINT64_C(0x2c31edf8f1d64ef6),
				UINT64_C(0x56e99d30c1e3c78f),
				UINT64_C(0xd9810c6891bd5c04),
				UINT64_C(0xa3597ca0a188d57d),
				UINT64_C(0xec09088b6997f879),
				UINT64_C(0x96d1784359a27100),
				UINT64_C(0x19b9e91b09fcea8b),
				UINT64_C(0x636199d339c963f2),
				UINT64_C(0xdf7adabd7a6e2d6f),
				UINT64_C(0xa5a2aa754a5ba416),
				UINT64_C(0x2aca3b2d1a053f9d),
				UINT64_C(0x50124be52a30b6e4),
				UINT64_C(0x1f423fcee22f9be0),
				UINT64_C(0x659a4f06d21a1299),
				UINT64_C(0xeaf2de5e82448912),
				UINT64_C(0x902aae96b271006b),
				UINT64_C(0x74523609127ad31a),
				UINT64_C(0x0e8a46c1224f5a63),
				UINT64_C(0x81e2d7997211c1e8),
				UINT64_C(0xfb3aa75142244891),
				UINT64_C(0xb46ad37a8a3b6595),
				UINT64_C(0xceb2a3b2ba0eecec),
				UINT64_C(0x41da32eaea507767),
				UINT64_C(0x3b024222da65fe1e),
				UINT64_C(0xa2722586f2d042ee),
				UINT64_C(0xd8aa554ec2e5cb97),
				UINT64_C(0x57c2c41692bb501c),
				UINT64_C(0x2d1ab4dea28ed965),
				UINT64_C(0x624ac0f56a91f461),
				UINT64_C(0x1892b03d5aa47d18),
				UINT64_C(0x97fa21650afae693),
				UINT64_C(0xed2251ad3acf6fea),
				UINT64_C(0x095ac9329ac4bc9b),
				UINT64_C(0x7382b9faaaf135e2),
				UINT64_C(0xfcea28a2faafae69),
				UINT64_C(0x8632586aca9a2710),
				UINT64_C(0xc9622c4102850a14),
				UINT64_C(0xb3ba5c8932b0836d),
				UINT64_C(0x3cd2cdd162ee18e6),
				UINT64_C(0x460abd1952db919f),
				UINT64_C(0x256b24ca6b12f26d),
				UINT64_C(0x5fb354025b277b14),
				UINT64_C(0xd0dbc55a0b79e09f),
				UINT64_C(0xaa03b5923b4c69e6),
				UINT64_C(0xe553c1b9f35344e2),
				UINT64_C(0x9f8bb171c366cd9b),
				UINT64_C(0x10e3202993385610),
				UINT64_C(0x6a3b50e1a30ddf69),
				UINT64_C(0x8e43c87e03060c18),
				UINT64_C(0xf49bb8b633338561),
				UINT64_C(0x7bf329ee636d1eea),
				UINT64_C(0x012b592653589793),
				UINT64_C(0x4e7b2d0d9b47ba97),
				UINT64_C(0x34a35dc5ab7233ee),
				UINT64_C(0xbbcbcc9dfb2ca865),
				UINT64_C(0xc113bc55cb19211c),
				UINT64_C(0x5863dbf1e3ac9dec),
				UINT64_C(0x22bbab39d3991495),
				UINT64_C(0xadd33a6183c78f1e),
				UINT64_C(0xd70b4aa9b3f20667),
				UINT64_C(0x985b3e827bed2b63),
				UINT64_C(0xe2834e4a4bd8a21a),
				UINT64_C(0x6debdf121b863991),
				UINT64_C(0x1733afda2bb3b0e8),
				UINT64_C(0xf34b37458bb86399),
				UINT64_C(0x8993478dbb8deae0),
				UINT64_C(0x06fbd6d5ebd3716b),
				UINT64_C(0x7c23a61ddbe6f812),
				UINT64_C(0x3373d23613f9d516),
				UINT64_C(0x49aba2fe23cc5c6f),
				UINT64_C(0xc6c333a67392c7e4),
				UINT64_C(0xbc1b436e43a74e9d),
				UINT64_C(0x95ac9329ac4bc9b5),
				UINT64_C(0xef74e3e19c7e40cc),
				UINT64_C(0x601c72b9cc20db47),
				UINT64_C(0x1ac40271fc15523e),
				UINT64_C(0x5594765a340a7f3a),
				UINT64_C(0x2f4c0692043ff643),
				UINT64_C(0xa02497ca54616dc8),
				UINT64_C(0xdafce7026454e4b1),
				UINT64_C(0x3e847f9dc45f37c0),
				UINT64_C(0x445c0f55f46abeb9),
				UINT64_C(0xcb349e0da4342532),
				UINT64_C(0xb1eceec59401ac4b),
				UINT64_C(0xfebc9aee5c1e814f),
				UINT64_C(0x8464ea266c2b0836),
				UINT64_C(0x0b0c7b7e3c7593bd),
				UINT64_C(0x71d40bb60c401ac4),
				UINT64_C(0xe8a46c1224f5a634),
				UINT64_C(0x927c1cda14c02f4d),
				UINT64_C(0x1d148d82449eb4c6),
				UINT64_C(0x67ccfd4a74ab3dbf),
				UINT64_C(0x289c8961bcb410bb),
				UINT64_C(0x5244f9a98c8199c2),
				UINT64_C(0xdd2c68f1dcdf0249),
				UINT64_C(0xa7f41839ecea8b30),
				UINT64_C(0x438c80a64ce15841),
				UINT64_C(0x3954f06e7cd4d138),
				UINT64_C(0xb63c61362c8a4ab3),
				UINT64_C(0xcce411fe1cbfc3ca),
				UINT64_C(0x83b465d5d4a0eece),
				UINT64_C(0xf96c151de49567b7),
				UINT64_C(0x76048445b4cbfc3c),
				UINT64_C(0x0cdcf48d84fe7545),
				UINT64_C(0x6fbd6d5ebd3716b7),
				UINT64_C(0x15651d968d029fce),
				UINT64_C(0x9a0d8ccedd5c0445),
				UINT64_C(0xe0d5fc06ed698d3c),
				UINT64_C(0xaf85882d2576a038),
				UINT64_C(0xd55df8e515432941),
				UINT64_C(0x5a3569bd451db2ca),
				UINT64_C(0x20ed197575283bb3),
				UINT64_C(0xc49581ead523e8c2),
				UINT64_C(0xbe4df122e51661bb),
				UINT64_C(0x3125607ab548fa30),
				UINT64_C(0x4bfd10b2857d7349),
				UINT64_C(0x04ad64994d625e4d),
				UINT64_C(0x7e7514517d57d734),
				UINT64_C(0xf11d85092d094cbf),
				UINT64_C(0x8bc5f5c11d3cc5c6),
				UINT64_C(0x12b5926535897936),
				UINT64_C(0x686de2ad05bcf04f),
				UINT64_C(0xe70573f555e26bc4),
				UINT64_C(0x9ddd033d65d7e2bd),
				UINT64_C(0xd28d7716adc8cfb9),
				UINT64_C(0xa85507de9dfd46c0),
				UINT64_C(0x273d9686cda3dd4b),
				UINT64_C(0x5de5e64efd965432),
				UINT64_C(0xb99d7ed15d9d8743),
				UINT64_C(0xc3450e196da80e3a),
				UINT64_C(0x4c2d9f413df695b1),
				UINT64_C(0x36f5ef890dc31cc8),
				UINT64_C(0x79a59ba2c5dc31cc),
				UINT64_C(0x037deb6af5e9b8b5),
				UINT64_C(0x8c157a32a5b7233e),
				UINT64_C(0xf6cd0afa9582aa47),
				UINT64_C(0x4ad64994d625e4da),
				UINT64_C(0x300e395ce6106da3),
				UINT64_C(0xbf66a804b64ef628),
				UINT64_C(0xc5bed8cc867b7f51),
				UINT64_C(0x8aeeace74e645255),
				UINT64_C(0xf036dc2f7e51db2c),
				UINT64_C(0x7f5e4d772e0f40a7),
				UINT64_C(0x05863dbf1e3ac9de),
				UINT64_C(0xe1fea520be311aaf),
				UINT64_C(0x9b26d5e88e0493d6),
				UINT64_C(0x144e44b0de5a085d),
				UINT64_C(0x6e963478ee6f8124),
				UINT64_C(0x21c640532670ac20),
				UINT64_C(0x5b1e309b16452559),
				UINT64_C(0xd476a1c3461bbed2),
				UINT64_C(0xaeaed10b762e37ab),
				UINT64_C(0x37deb6af5e9b8b5b),
				UINT64_C(0x4d06c6676eae0222),
				UINT64_C(0xc26e573f3ef099a9),
				UINT64_C(0xb8b627f70ec510d0),
				UINT64_C(0xf7e653dcc6da3dd4),
				UINT64_C(0x8d3e2314f6efb4ad),
				UINT64_C(0x0256b24ca6b12f26),
				UINT64_C(0x788ec2849684a65f),
				UINT64_C(0x9cf65a1b368f752e),
				UINT64_C(0xe62e2ad306bafc57),
				UINT64_C(0x6946bb8b56e467dc),
				UINT64_C(0x139ecb4366d1eea5),
				UINT64_C(0x5ccebf68aecec3a1),
				UINT64_C(0x2616cfa09efb4ad8),
				UINT64_C(0xa97e5ef8cea5d153),
				UINT64_C(0xd3a62e30fe90582a),
				UINT64_C(0xb0c7b7e3c7593bd8),
				UINT64_C(0xca1fc72bf76cb2a1),
				UINT64_C(0x45775673a732292a),
				UINT64_C(0x3faf26bb9707a053),
				UINT64_C(0x70ff52905f188d57),
				UINT64_C(0x0a2722586f2d042e),
				UINT64_C(0x854fb3003f739fa5),
				UINT64_C(0xff97c3c80f4616dc),
				UINT64_C(0x1bef5b57af4dc5ad),
				UINT64_C(0x61372b9f9f784cd4),
				UINT64_C(0xee5fbac7cf26d75f),
				UINT64_C(0x9487ca0fff135e26),
				UINT64_C(0xdbd7be24370c7322),
				UINT64_C(0xa10fceec0739fa5b),
				UINT64_C(0x2e675fb4576761d0),
				UINT64_C(0x54bf2f7c6752e8a9),
				UINT64_C(0xcdcf48d84fe75459),
				UINT64_C(0xb71738107fd2dd20),
				UINT64_C(0x387fa9482f8c46ab),
				UINT64_C(0x42a7d9801fb9cfd2),
				UINT64_C(0x0df7adabd7a6e2d6),
				UINT64_C(0x772fdd63e7936baf),
				UINT64_C(0xf8474c3bb7cdf024),
				UINT64_C(0x829f3cf387f8795d),
				UINT64_C(0x66e7a46c27f3aa2c),
				UINT64_C(0x1c3fd4a417c62355),
				UINT64_C(0x935745fc4798b8de),
				UINT64_C(0xe98f353477ad31a7),
				UINT64_C(0xa6df411fbfb21ca3),
				UINT64_C(0xdc0731d78f8795da),
				UINT64_C(0x536fa08fdfd90e51),
				UINT64_C(0x29b7d047efec8728),
			};

			uint64_t init_val = 0;
			for (size_t j = 0; j < l; ++j)
			{
				unsigned char byte = s[j];
				init_val = CRC64_TABLE[static_cast<unsigned char>(init_val) ^ (uint64_t)byte] ^ (init_val >> 8);
			}

			return init_val;
		}

		static uint16_t crc16(const std::string& data)
		{
			return crc16(reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
		}

		static uint32_t crc32(const std::string& data)
		{
			return crc32(reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
		}

		static uint64_t crc64(const std::string& data)
		{
			return crc64(reinterpret_cast<const unsigned char*>(data.c_str()), data.length());
		}
	};
}

#endif